chickens - 2023 BHSU - Buzzpoints App

Question

The progress zone and apical epidermal ridge were discovered in this organism, whose embryos are used to study limb formation. For 10 points each:

[10m] Name this model organism. By studying a disease in this organism caused by the Src (sark) gene, Peyton Rous proved that viruses can cause cancer.

ANSWER: chickens [or Gallus gallus domesticus]

[10h] This group of cells undergoes reciprocal signaling with the AER using fibroblast growth factors to regulate the development of the limb bud. This group of cells secretes sonic hedgehog homolog to determine limb patterning along the anterior/posterior axis.

ANSWER: zone of polarizing activity [or the ZPA]

[10e] The cells in the ZPA, as well as muscles and bones in general, are derived from this germ layer, which lies in the center of the 3-layer embryonic stage.

ANSWER: mesoderm

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Summary


2023 BHSU @ Berkeley	03/18/2023	Y	3	6.67	67%	0%	0%
2023 BHSU @ Maryland	03/11/2023	Y	3	10.00	67%	0%	33%
2023 BHSU @ Northwestern	02/25/2023	Y	6	11.67	83%	17%	17%
2023 BHSU Online	04/15/2023	Y	4	17.50	100%	50%	25%
2023 BHSU @ Sheffield	04/15/2023	Y	2	5.00	50%	0%	0%
2023 BHSU @ Waterloo	04/15/2023	Y	3	3.33	33%	0%	0%
2023 BHSU @ Yale	04/08/2023	Y	3	16.67	100%	67%	0%

Data


[Insert Lawyer Joke Here]	Berkeley A	0	0	10	10
Stanford A	It's Joever	0	0	0	0
Berkeley B	Stanford B	0	0	10	10
Fan-tastic Negs and Where to Find Them	Maryland A	0	10	10	20
Maryland B+	Rutgers Diaspora	0	0	10	10
The Perfection of Wisdom in 8,000 Negs	Glass Onyen: A Knives Out Mystery	0	0	0	0
Amartya Senpai Notice Me	Illinois	10	10	10	30
Chicago A	OSU	0	0	10	10
WUSTL	Michigan	0	0	10	10
Northwestern	Epic Games	0	0	0	0
Chicago B+	Purdue University Fightin' Hadrien Davids	0	0	10	10
Cornell C++	Cornell B-	0	0	10	10
Rollin in from Sturgis, The Cheyne Gang	Dr. Christopher Manners, MD – Samarra, Iraq	0	0	10	10
Houston and friends	What is BH! And you are asking me? BHSU	10	10	10	30
Hutto Hippos	The Enrique Trastamara Military Academy B	10	0	10	20
Magisters Ludi	Broken Imperial Nomads	0	0	0	0
Oxford Hornets	Buzzers Karamazov	0	0	10	10
Cameron et al.	Parth et al.	0	0	0	0
Milan et al.	Neg 5! Playing Quizbowl, Liddy Style	0	0	0	0
The Passion According to C.H.	The Vulture's Guide to Buzz	0	0	10	10
Columbia B	UG Championship Players (and Mazin)	0	0	10	10
meet the new weird, same as the old weird	Watching Arthur Delot-Vilain at Chicago Open Made Me Like French People Again	10	0	10	20
Olmo (Bonus) Bagelry	nats is supposed to mean you all have gone soft	10	0	10	20
Brownstein et al.	Mojo Shojo	0	0	10	10